doj official says on background that, again, the suspect is in custody, is alive and that no miranda warning is going to be given. that the public safety exception is being invoked by the department of justice and law enforcement. in order to do a limited and focused interrogation. this is done, in part, when they want to make sure there's no continuing imminent threat. >> and, again, legally, does this in any way imperil their case later if they don't have a miranda warning. >> reporter: now, again, i'm not an attorney, but what this source told me is this is the only recognized exception. in this case, seen or taken by the supreme court. >> and dick clark, weigh in on that, please. >> i'm not a lawyer, either, but my understanding is that any information he gives them, prior to getting his miranda rights probably cannot be used against him in a court of law, but it seems to me they've got enough information against him already. >> i was asking you earlier who would go in the room, what kind of people, how they would talk to him. and they will be recording every single thing that ha